I-solid phenolic resin iphuzi, i-transparent, i-amorphous mass substance, ngenxa yokuthi iqukethe i-phenol yamahhala nokubomvu, isilinganiso samandla adonsela phansi ebhizinisi cishe ngu-1.7, ancibilika otshwaleni, awancibiliki emanzini, azinzile emanzini, i-asidi ebuthakathaka, isisombululo se-alkali esibuthakathaka. I-resin eyenziwe nge-phenol ne-formaldehyde polycondensation, i-neutralization kanye nokugeza kwamanzi ngaphansi kwezimo ze-catalyst. Ngenxa yama-catalyst ahlukene akhethiwe, ingahlukaniswa ngezigaba ezimbili: i-thermosetting ne-thermoplastic. I-Phenolic resin inokumelana okuhle kwe-asidi, izakhiwo zemishini kanye nokumelana nokushisa, futhi isetshenziswa kabanzi kubunjiniyela bokulwa nokugqwala, izinto zokunamathisela, izinto ezincisha ilangabi, ukukhiqiza amasondo okugaya nezinye izimboni.